Multiple choice

Which list contains only magnetic materials?

  1. magnesium, copper, gold

  2. aluminium, gold, iron

  3. iron, nickel, cobalt

  4. nickel, tin, lead
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Iron, nickel, and cobalt are the three common ferromagnetic elements. Magnesium, copper, gold, tin, and lead are not magnetic.

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